Compute the first or last day of a month or year

October 30, 2019
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Compute the first or last day of a month or year

Every year at Halloween, I post an article that shows a SAS trick that is a real treat. This article shows how to use the INTNX function to find dates that are related to a specified date. The INTNX function is a sweet treat, indeed. I previously wrote an article

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How to create checklist tables in SAS®

October 30, 2019
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How to create checklist tables in SAS®

Leonid Batkhan shows you easy ways to create a checklist table in SAS software.

How to create checklist tables in SAS® was published on SAS Users.


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The Little SAS Book 6.0: The best-selling SAS book gets even better

October 29, 2019
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The Little SAS Book 6.0: The best-selling SAS book gets even better

Find out about the changes and enhancements to the best-selling book, The Little SAS Book.

The Little SAS Book 6.0: The best-selling SAS book gets even better was published on SAS Users.


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Use regular expressions to specify variable names in SAS

October 28, 2019
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Use regular expressions to specify variable names in SAS

A common task in SAS programming is to specify a list of variables that satisfy some pattern. You can specify lists for the KEEP= or DROP= data set options, and you can use lists of variables on many SAS statements such as the VAR and MODEL statements. Although SAS has

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Perform matrix computations when the matrices don’t fit in memory

October 23, 2019
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Perform matrix computations when the matrices don’t fit in memory

In response to a recent article about how to compute the cosine similarity of observations, a reader asked whether it is practical (or even possible) to perform these types of computations on data sets that have many thousands of observations. The problem is that the cosine similarity matrix is an

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SAS® Viya®: How to Emulate PROC SQL Using CAS-Enabled PROC FedSQL

October 22, 2019
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SAS® Viya®: How to Emulate PROC SQL Using CAS-Enabled PROC FedSQL

Someone ask SAS' Steven Sober if the PROC SQL example noted first in this post could be refactored into PROC FedSQL so it could run faster by leveraging SAS Viya’s in-memory engine CAS? Yes. Here's how.

SAS® Viya®: How to Emulate PROC SQL Using CAS-Enabled PROC FedSQL was published on SAS...
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Now Available: The Little SAS Book, Sixth Edition

October 21, 2019
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Now Available: The Little SAS Book, Sixth Edition

I am excited to announce that the sixth edition of The Little SAS Book is now available. We spent over a year rewriting and updating, and this may well be the best edition yet. You can download a sample chapter or purchase e-book versions (PDF, EPUB or Kindle) by visiting SAS Press’ site. If,...
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How SAS® Viya fosters collaboration

October 21, 2019
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How SAS® Viya fosters collaboration

When my younger son grabs a book or a toy from his older siblings without permission, his line of defense is always the same: “Sharing is caring!” Our kids' schools teach and reinforce this philosophy. Likewise, our family has rules to ensure peaceful, orderly sharing. Similarly, many organizations value collaboration.

How SAS®...
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Compute and visualize binomial proportions in SAS

October 21, 2019
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Compute and visualize binomial proportions in SAS

Computing rates and proportions is a common task in data analysis. When you are computing several proportions, it is helpful to visualize how the rates vary among subgroups of the population. Examples of proportions that depend on subgroups include: Mortality rates for various types of cancers Incarceration rates by race

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